1. Department of Energy Technologies and Renewable Energy Sources - Smart Grid and Energy Networks Lab (TERIN-STSN-SGRE) of ENEA, Centre of Portici (Neaples), Italy
2. Department of Electrical and Information Engineering, The Polytechnic of Bari, Italy
3. Department of Engineering, University Roma Tre, Rome, Italy
4. Department of Energy Technologies and Renewable Energy Sources (TERIN) of ENEA, Centre of Casaccia (Rome), Italy